Math Question: Consider the two-variable inequality system: 2x - 3y β€ 6 and x + 4y > 10. Graph the solution in the xy-plane. How many integral points lie in the shaded region?
+
What are the characteristics of an ellipse function and how are they related to its equation?
+
What is the period of the function f(x) = 2sin(3x) - cos(4x)?